Seiko Cal. 7122 - 647

The 7122-647 is a sought-after Quartz piece from Seiko's golden era. Powered by the 7122 caliber with 30j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-5fce48bbe297]

Also known as: Sumo, Pogue

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

White

Jewels

30j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1972

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